Keith Clark Books

The radical fiction of Ann Petry

By Clark Keith

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Navigating the Fiction of Ernest J. Gaines

By Keith Clark

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The Defined Contribution Handbook

By Keith Clark

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You re Sharp Enough to Be Your Own Surgeon

By Keith Clark

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Black manhood in James Baldwin, Ernest J. Gaines, and August Wilson

By Clark Keith

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"From Frederick Douglass to the present, the preoccupation of black writers with manhood and masculinity has been constant. Black Manhood in James Baldwin, Ernest J. Gaines, and August Wilson explo...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.